Analysis of the Effect of Different Time Resolutions Between Day-Ahead and Real-Time Markets on Offer Strategies of Wind Power Producers
- Authors
- Shin, H.; Park, J.-B.; Roh, J.H.
- Issue Date
- 1-May-2023
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Electricity markets; Market resolutions; Two-settlement market; Wind power offer
- Citation
- Journal of Electrical Engineering and Technology, v.18, no.3, pp 1481 - 1492
- Pages
- 12
- Journal Title
- Journal of Electrical Engineering and Technology
- Volume
- 18
- Number
- 3
- Start Page
- 1481
- End Page
- 1492
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/32673
- DOI
- 10.1007/s42835-023-01464-5
- ISSN
- 1975-0102
2093-7423
- Abstract
- The wholesale electricity market in the United States have a two-settlement structure, with a day-ahead (DA) market and a real-time (RT) market. The purpose of this study is to investigate how the different temporal resolutions of these markets affect the profit and offer decisions of wind power producers (WPPs). We have found that WPP can accurately assess expected returns and build advanced proposal curves that allow for higher expected returns by taking differences in time resolution into account. In the numerical example employing ERCOT data samples, such an increase in return is calculated as up to 1.6%. Moreover, it has been shown that the shape of offer curves are quite different depending on a time resolution used to produce the curves. However, in order to obtain these benefits, WPP must forecast wind and market prices with resolutions finer than an hour, which may entail increased forecast error variance and overfitting issues. © 2023, The Author(s) under exclusive licence to The Korean Institute of Electrical Engineers.
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